Issued Patents 2003
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6639108 | Ammoximation of ketones and work-up by pervaporation/vapor permeation | Thomas Schiffer, Peter Esser, Franz-Felix Kuppinger, Günter Stevermüer, Georg Thiele | 2003-10-28 |
| 6620970 | Work-up of the ammoximation products of ketones by liquid-liquid extraction in a ternary solvent system | Thomas Schiffer, Peter Esser, Jorg Krissmann, Günter Stevermüer, Georg Thiele | 2003-09-16 |
| 6565131 | Power-assisted closing device | — | 2003-05-20 |
| 6540269 | Locking mechanism for a sliding door | Mathias Wurges | 2003-04-01 |